talks at ambassadorial level大使級(jí)會(huì)談
ambassadorial-level大使級(jí)
ambassadorial level meeting大使級(jí)會(huì)議
an ambassadorial-level meeting大使級(jí)會(huì)議
ambassadorial level diplomatic relation大使級(jí)外交關(guān)系
ambassadorial-level diplomatic relations大使級(jí)外交關(guān)系